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fix(kimi-web): set rewriteWsOrigin for dev and preview proxy #1158

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fix(kimi-web): set rewriteWsOrigin for dev and preview proxy #1158

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5 changes: 5 additions & 0 deletions .changeset/fix-ws-origin-dev-proxy.md
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Original file line number Diff line number Diff line change
@@ -0,0 +1,5 @@
---
"@moonshot-ai/kimi-code": patch
---

Fix WebSocket connection failures in the bundled web UI's local dev mode when the browser opens on `localhost` while the server binds `127.0.0.1`.
16 changes: 14 additions & 2 deletions apps/kimi-web/vite.config.ts
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,18 @@ const pkg = JSON.parse(readFileSync(new URL('./package.json', import.meta.url),
version: string;
};

function apiProxyConfig() {
return {
target: serverTarget,
changeOrigin: true,
ws: true,
// Rewrite the WebSocket Origin header to the upstream target so the
// server's same-origin check passes even when the browser opens the dev UI
// on `localhost:5175` while the server binds `127.0.0.1`.
rewriteWsOrigin: true,
};
}

export default defineConfig({
plugins: [vue(), tailwindcss()],
// Expose the dev proxy's upstream server target to the client so the UI can
Expand All @@ -26,7 +38,7 @@ export default defineConfig({
// Same-origin dev: the browser calls Vite, Vite forwards to the server.
// No CORS anywhere. The real server serves REST + WS all under /api/v1.
proxy: {
'/api/v1': { target: serverTarget, changeOrigin: true, ws: true },
'/api/v1': apiProxyConfig(),
},
},
// `vite preview` (the production build served locally) needs the same proxy —
Expand All @@ -35,7 +47,7 @@ export default defineConfig({
preview: {
port: Number(process.env.WEB_PREVIEW_PORT) || 4175,
proxy: {
'/api/v1': { target: serverTarget, changeOrigin: true, ws: true },
'/api/v1': apiProxyConfig(),
},
},
build: {
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